76688324 has 6 divisors (see below), whose sum is σ = 134204574. Its totient is φ = 38344160.

The previous prime is 76688321. The next prime is 76688329. The reversal of 76688324 is 42388667.

76688324 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 46240000 + 30448324 = 6800^2 + 5518^2 .

76688324 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (76688321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9586037 + ... + 9586044.

It is an arithmetic number, because the mean of its divisors is an integer number (22367429).

Almost surely, 2^76688324 is an apocalyptic number.

It is an amenable number.

76688324 is a deficient number, since it is larger than the sum of its proper divisors (57516250).

76688324 is a wasteful number, since it uses less digits than its factorization.

76688324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19172085 (or 19172083 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The square root of 76688324 is about 8757.1869912661. The cubic root of 76688324 is about 424.8572974187.

The spelling of 76688324 in words is "seventy-six million, six hundred eighty-eight thousand, three hundred twenty-four".